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Martin S412 steel spur gear with 4 diametral pitch, 12 teeth, and 14.5-degree pressure angle. Plain bore design for custom machining. Outside diameter 3.500". Stock spur gear for power transmission applications.
MODEL S412
Contact supplier for technical support on: 323-728-8117
$205.78 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Material
Steel
Number Of Teeth
12
Outside Dia
3.500"
| Material | Steel | Bore Type | Reborable |
|---|---|---|---|
| Diametral Pitch | 4 | Min Bore Size | 1.125 in. |
| Pressure Angle | 14.500 deg. | Max Bore Size | 1.313 in. |
| Number of Teeth | 12 | Hub Outside Diameter | 2.250 in. |
| Pitch Diameter | 3.000 in. | Hub Projection | 0.875 in. |
| Outside Diameter | 3.500 in. | Length thru Bore | 2.875 in. |
| Face Width | 2.000 in. |
| Storage Dimension Width | 3.500 in. | Individually Packaged | No |
|---|---|---|---|
| Storage Dimension Height | 2.880 in. |
SKU: 255872
Met all expectations
Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.
Read moreSKU: 250207
Perfect
Perfect replacement part, Good purchase experience. I would use MRO again.
Read moreSKU: 251157
21 tooth 12 dp spur gear
The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!
Read moreBrand
Boston Gear
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NL12B
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Martin Sprocket
Model
3020 50MM
SKU: 255872
Met all expectations
Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.
Read moreSKU: 250207
Perfect
Perfect replacement part, Good purchase experience. I would use MRO again.
Read moreSKU: 251157
21 tooth 12 dp spur gear
The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!
Read moreItem must be unused.
Item must be in it's original package.
Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/